Fatal error: Uncaught PDOException: SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction in /srv/customers/deltachemie/websites/default/engine/Shopware/Components/Session/PdoSessionHandler.php:534 Stack trace: #0 /srv/customers/deltachemie/websites/default/engine/Shopware/Components/Session/PdoSessionHandler.php(534): PDOStatement->execute() #1 /srv/customers/deltachemie/websites/default/engine/Shopware/Components/Session/PdoSessionHandler.php(289): Shopware\Components\Session\PdoSessionHandler->doRead() #2 [internal function]: Shopware\Components\Session\PdoSessionHandler->read() #3 /srv/customers/deltachemie/websites/default/engine/Library/Zend/Session.php(468): session_start() #4 /srv/customers/deltachemie/websites/default/engine/Shopware/Components/DependencyInjection/Bridge/Session.php(106): Zend_Session::start() #5 /srv/customers/deltachemie/websites/default/var/cache/production_202105060633/proxies/ShopwareProduction58dd03f564c56ccfaa2182555b607c862e9ebc03P in /srv/customers/deltachemie/websites/default/engine/Shopware/Components/Session/PdoSessionHandler.php on line 534